Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/app_share/ClipboardFrame.java

133 lines
3.2 KiB

//
// Copyright (C) 2001 HorizonLive.com, Inc. All Rights Reserved.
// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
// This is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this software; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
//
// Clipboard frame.
//
import java.awt.*;
import java.awt.event.*;
class ClipboardFrame extends Frame
implements WindowListener, ActionListener {
TextArea textArea;
Button clearButton, closeButton;
String selection;
VncViewer viewer;
//
// Constructor.
//
ClipboardFrame(VncViewer v) {
super("Ultr@VNC Clipboard");
viewer = v;
GridBagLayout gridbag = new GridBagLayout();
setLayout(gridbag);
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.fill = GridBagConstraints.BOTH;
gbc.weighty = 1.0;
textArea = new TextArea(5, 40);
gridbag.setConstraints(textArea, gbc);
add(textArea);
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.weightx = 1.0;
gbc.weighty = 0.0;
gbc.gridwidth = 1;
clearButton = new Button("Clear");
gridbag.setConstraints(clearButton, gbc);
add(clearButton);
clearButton.addActionListener(this);
closeButton = new Button("Close");
gridbag.setConstraints(closeButton, gbc);
add(closeButton);
closeButton.addActionListener(this);
pack();
addWindowListener(this);
}
//
// Set the cut text from the RFB server.
//
void setCutText(String text) {
selection = text;
textArea.setText(text);
if (isVisible()) {
textArea.selectAll();
}
}
//
// When the focus leaves the window, see if we have new cut text and
// if so send it to the RFB server.
//
public void windowDeactivated (WindowEvent evt) {
if (selection != null && !selection.equals(textArea.getText())) {
selection = textArea.getText();
viewer.setCutText(selection);
}
}
//
// Close our window properly.
//
public void windowClosing(WindowEvent evt) {
setVisible(false);
}
//
// Ignore window events we're not interested in.
//
public void windowActivated(WindowEvent evt) {}
public void windowOpened(WindowEvent evt) {}
public void windowClosed(WindowEvent evt) {}
public void windowIconified(WindowEvent evt) {}
public void windowDeiconified(WindowEvent evt) {}
//
// Respond to button presses
//
public void actionPerformed(ActionEvent evt) {
if (evt.getSource() == clearButton) {
textArea.setText("");
} else if (evt.getSource() == closeButton) {
setVisible(false);
}
}
}